What is the next step in muscle contraction after the actin changes shape?

A. An ATP molecule binds to the myosin.

B. Myosin and actin slide past each other.

C. A calcium ion binds to actin.

D. Myosin binds to actin.

Need to write a short news report on how does the brain he brain, heart and skeleton work together

I need to figure out the structure of an unknown organism and what the main type of cell it is by only knowing: Organism's cell are able to move Internal structures appears to be made of protein fibers Internal structures protein fibers measured 7.

The common house mouse species, Mus musculus, has the following taxonomic classification: Mus, Muridae, Rodentia, Mammalia, Chordata, Animalia, Eukarya. Which part of the name is the Family? A) Rodentia B) Chordata C) Muridae D) Animalia

True or false? there does not necessarily need to be concurrence between the actus reus and mens rea.

Which ancestor pioneered what it means to be human?

In 1865, a biologist, St. George Jackson Mivart, constructed an evolutionary tree of existing primate species with many branches based on analysis of spinal columns. But to his dismay, another tree based on limb comparison was quite different.

How does the amount of rainfall affect the amount and types of seeds present on the Galapagos Islands?

If a characteristic is found in bacteria, fungi, pine trees, snakes, and humans, when did it most likely evolve?

Which property allows objects that do not produce their own light to be seen

What is an example of recombinant dna technology?